> > 3) Require that no more than one H1 be present, that is,
> > one and only one H1 must be present
>
> I think that a web page should start with a H1 heading and that
> one and only one H1 heading should be present on the same page.
I disagree since a hierarchy does not necessarily consist of only one part
at its top (as in society, see executive boards or ancient triumvirates). --
And otherwise, why should you then use more than one <h2 />, or more than
one <h3 /> element?
Jens.
--
Jens Meiert
Interface Architect (IxD)
http://meiert.com/